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參數(shù)資料
型號(hào): PCA9500PW,118
廠商: NXP Semiconductors
文件頁(yè)數(shù): 7/26頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16TSSOP
標(biāo)準(zhǔn)包裝: 2,500
接口: I²C,SM 總線
輸入/輸出數(shù): 8
中斷輸出: 無(wú)
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2.5 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
包括: EEPROM,POR
其它名稱: 935271534118
PCA9500PW-T
PCA9500PW-T-ND
PCA9500_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 15 April 2009
15 of 26
NXP Semiconductors
PCA9500
8-bit I2C-bus and SMBus I/O port with 2-kbit EEPROM
Remark: Rapid fall-off in VOH at current inception is due to a diode that provides 5 V
overvoltage protection for the GPIO I/O pins. When the GPIO I/O are being used as
inputs, the internal current source VOH should be evaluated to determine if external pull-up
resistors are required to provide sufcient VIH threshold noise margin.
a. Tamb = 40 °Cb. Tamb =25 °C
c. Tamb =85 °C
Fig 21. VOH versus IOH
160
40
20
IOH
(
A)
VOH (V)
0
3.6
1.2
2.4
002aad307
VDD = 2.5 V
2.7 V
3.0 V
3.3 V
3.6 V
100
140
20
60
100
20
IOH
(
A)
VOH (V)
0
3.6
1.2
2.4
002aad308
VDD = 2.5 V
2.7 V
3.0 V
3.3 V
3.6 V
140
20
60
100
20
IOH
(
A)
VOH (V)
0
3.6
1.2
2.4
002aad309
VDD = 2.5 V
2.7 V
3.0 V
3.3 V
3.6 V
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